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131021013332013 = 376239095872953
BaseRepresentation
bin11101110010100110110100…
…111101010011000000101101
3122011220111010200201120200220
4131302212310331103000231
5114133122013403111023
61142354120025041553
736411645564633240
oct3562466475230055
9564814120646626
10131021013332013
1138824777351512
12128409003262b9
1358152c8152b9c
14244d645309257
1510232559e23e3
hex7729b4f5302d

131021013332013 has 8 divisors (see below), whose sum is σ = 199651067934528. Its totient is φ = 74869150475424.

The previous prime is 131021013331997. The next prime is 131021013332051. The reversal of 131021013332013 is 310233310120131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 131021013332013 - 24 = 131021013331997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131021013332413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3119547936456 + ... + 3119547936497.

It is an arithmetic number, because the mean of its divisors is an integer number (24956383491816).

Almost surely, 2131021013332013 is an apocalyptic number.

It is an amenable number.

131021013332013 is a deficient number, since it is larger than the sum of its proper divisors (68630054602515).

131021013332013 is an equidigital number, since it uses as much as digits as its factorization.

131021013332013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6239095872963.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 131021013332013 its reverse (310233310120131), we get a palindrome (441254323452144).

The spelling of 131021013332013 in words is "one hundred thirty-one trillion, twenty-one billion, thirteen million, three hundred thirty-two thousand, thirteen".

Divisors: 1 3 7 21 6239095872953 18717287618859 43673671110671 131021013332013