10203131312331 has 8 divisors (see below), whose sum is σ = 14404420676304. Its totient is φ = 6401964744960.

The previous prime is 10203131312329. The next prime is 10203131312333. The reversal of 10203131312331 is 13321313130201.

It is an interprime number because it is at equal distance from previous prime (10203131312329) and next prime (10203131312333).

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

It is not a de Polignac number, because 10203131312331 - 2¹ = 10203131312329 is a prime.

It is a super-2 number, since 2×10203131312331² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10203131312333) 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, 100030699090 + ... + 100030699191.

It is an arithmetic number, because the mean of its divisors is an integer number (1800552584538).

Almost surely, 2^{10203131312331} is an apocalyptic number.

10203131312331 is a deficient number, since it is larger than the sum of its proper divisors (4201289363973).

10203131312331 is a wasteful number, since it uses less digits than its factorization.

10203131312331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200061398301.

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

Adding to 10203131312331 its reverse (13321313130201), we get a palindrome (23524444442532).

The spelling of 10203131312331 in words is "ten trillion, two hundred three billion, one hundred thirty-one million, three hundred twelve thousand, three hundred thirty-one".