1103400031431 has 8 divisors (see below), whose sum is σ = 1518658107904. Its totient is φ = 711870987960.

The previous prime is 1103400031403. The next prime is 1103400031469. The reversal of 1103400031431 is 1341300043011.

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

It is not a de Polignac number, because 1103400031431 - 2⁵ = 1103400031399 is a prime.

It is a super-2 number, since 2×1103400031431² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1103400031398 and 1103400031407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103400031631) 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, 5932258141 + ... + 5932258326.

It is an arithmetic number, because the mean of its divisors is an integer number (189832263488).

Almost surely, 2^{1103400031431} is an apocalyptic number.

1103400031431 is a deficient number, since it is larger than the sum of its proper divisors (415258076473).

1103400031431 is a wasteful number, since it uses less digits than its factorization.

1103400031431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11864516501.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 1103400031431 its reverse (1341300043011), we get a palindrome (2444700074442).

The spelling of 1103400031431 in words is "one trillion, one hundred three billion, four hundred million, thirty-one thousand, four hundred thirty-one".