101250111431 has 16 divisors (see below), whose sum is σ = 117641884416. Its totient is φ = 85344627456.

The previous prime is 101250111421. The next prime is 101250111491. The reversal of 101250111431 is 134111052101.

It is a cyclic number.

It is not a de Polignac number, because 101250111431 - 2¹⁸ = 101249849287 is a prime.

It is a super-2 number, since 2×101250111431² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101250111421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91415 + ... + 459191.

It is an arithmetic number, because the mean of its divisors is an integer number (7352617776).

Almost surely, 2^101250111431 is an apocalyptic number.

101250111431 is a deficient number, since it is larger than the sum of its proper divisors (16391772985).

101250111431 is an equidigital number, since it uses as much as digits as its factorization.

101250111431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368438.

The product of its (nonzero) digits is 120, while the sum is 20.

Adding to 101250111431 its reverse (134111052101), we get a palindrome (235361163532).

The spelling of 101250111431 in words is "one hundred one billion, two hundred fifty million, one hundred eleven thousand, four hundred thirty-one".