31234323420101 has 4 divisors (see below), whose sum is σ = 31262136710112. Its totient is φ = 31206510130092.

The previous prime is 31234323420077. The next prime is 31234323420109. The reversal of 31234323420101 is 10102432343213.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31234323420101 is a prime.

It is a super-2 number, since 2×31234323420101² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31234323420109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13906643321 + ... + 13906645566.

It is an arithmetic number, because the mean of its divisors is an integer number (7815534177528).

Almost surely, 2^{31234323420101} is an apocalyptic number.

It is an amenable number.

31234323420101 is a deficient number, since it is larger than the sum of its proper divisors (27813290011).

31234323420101 is a wasteful number, since it uses less digits than its factorization.

31234323420101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27813290010.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 31234323420101 its reverse (10102432343213), we get a palindrome (41336755763314).

The spelling of 31234323420101 in words is "thirty-one trillion, two hundred thirty-four billion, three hundred twenty-three million, four hundred twenty thousand, one hundred one".