101431012 has 24 divisors (see below), whose sum is σ = 185774400. Its totient is φ = 48365856.

The previous prime is 101430997. The next prime is 101431019. The reversal of 101431012 is 210134101.

101431012 = 2089² + 2090² + ... + 2111².

It is a junction number, because it is equal to n+sod(n) for n = 101430983 and 101431001.

It is not an unprimeable number, because it can be changed into a prime (101431019) 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, 33414 + ... + 36322.

It is an arithmetic number, because the mean of its divisors is an integer number (7740600).

Almost surely, 2^101431012 is an apocalyptic number.

It is an amenable number.

101431012 is a deficient number, since it is larger than the sum of its proper divisors (84343388).

101431012 is a wasteful number, since it uses less digits than its factorization.

101431012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3315 (or 3313 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 101431012 is about 10071.2964408759. The cubic root of 101431012 is about 466.3624618325.

Adding to 101431012 its reverse (210134101), we get a palindrome (311565113).

The spelling of 101431012 in words is "one hundred one million, four hundred thirty-one thousand, twelve".